The Consumer Confidence Reports (CCRs) and Water Use Efficiency (WUE) reports listed below summarize 2023 data and are be posted by July 1, 2024, per Washington Department of Health (DOH) regulations.
The reports below are for Group A water systems only.
| Water System | Consumer Confidence Reports (CCRs) | Water Use Efficiency (WUE) Reports |
| 141st Ave KPN 661 | 2023 | 2023 |
| Aust 210 | 2023 | 2023 |
| Biscay Acres 675 | 2023 | 2023 |
| Boots & Saddles 662 | 2023 | 2023 |
| Burnsville 676 | 2023 | 2023 |
| Cedar Ridge Estates 617 | 2023 | 2023 |
| Cedar Shores 677 | 2023 | 2023 |
| Cedarwood 763 | 2023 | 2023 |
| Clerget 253 | 2023 | 2023 |
| Cooperfield 678 | 2023 | 2023 |
| Coppermill 520 | 2023 | 2023 |
| Cornerstone Estates 606 | 2023 | 2023 |
| Country Club 679 | 2023 | 2023 |
| Country Club Estates 521 | 2023 | 2023 |
| Countrywood Estates 680 | 2023 | 2023 |
| Covington 212 | 2023 | 2023 |
| Crescent Park 355 | 2023 | 2023 |
| Crocker Creek 663 | 2023 | 2023 |
| Crowder Road 213 | 2023 | 2023 |
| Deerfield Park 1 681 | 2023 | 2023 |
| Deerfield Park 2 682 | 2023 | 2023 |
| Deschutes Village 683 | 2023 | 2023 |
| East Olympia 684 | 2023 | 2023 |
| Eggimann 664 | 2023 | 2023 |
| Elk Heights 247 | 2023 | 2023 |
| Evergreen Vista 308 | 2023 | 2023 |
| Forest Glen 762 | 2023 | 2023 |
| Giffords 685 | 2023 | 2023 |
| Glacier Vista 665 | 2023 | 2023 |
| Glen Alder 522 | 2023 | 2023 |
| Hawk Acres 607 | 2023 | 2023 |
| Hawley Hills 686 | 2023 | 2023 |
| Horsfall 608 | 2023 | 2023 |
| Keanland Park 761 | 2023 | 2023 |
| Lazy Acres 351 | 2023 | 2023 |
| Lew's 81st 225 | 2023 | 2023 |
| Loma Vista 369 | 2023 | 2023 |
| Longhorn Country Estates 687 | 2023 | 2023 |
| Marvin Gardens 688 | 2023 | 2023 |
| Maxvale 618 | 2023 | 2023 |
| Meadow Wood 689 | 2023 | 2023 |
| Meadows 690 | 2023 | 2023 |
| Mountain Lakeview 619 | 2023 | 2023 |
| Nisqually Highlands 364 | 2023 | 2023 |
| Palermo 691 | 2023 | 2023 |
| Pattison 500 | 2023 | 2023 |
| Pederson Place 604 | 2023 | 2023 |
| Pit 328 | 2023 | 2023 |
| Pleasant Valley 307 | 2023 | 2023 |
| Prairie Ridge 605 | 2023 | 2023 |
| Prairie View Estates 759 | 2023 | 2023 |
| Prairie Villa 230 | 2023 | 2023 |
| Quail Run 667 | 2023 | 2023 |
| Redtail Hawk 616 | 2023 | 2023 |
| Ridgewood 609 | 2023 | 2023 |
| Riverlea 692 | 2023 | 2023 |
| ROM 626 | 2023 | 2023 |
| Roy 325th 668 | 2023 | 2023 |
| Sandra Avenue 627 | 2023 | 2023 |
| Scatter Creek Ranch 760 | 2023 | 2023 |
| Silver Fox 693 | 2023 | 2023 |
| Skookumchuck 612 | 2023 | 2023 |
| Smith S Prairie 251 | 2023 | 2023 |
| Spanaway 192nd 669 | 2023 | 2023 |
| Sward 278 | 2023 | 2023 |
| Tahoma Meadows 694 | 2023 | 2023 |
| Talcott Ridge 695 | 2023 | 2023 |
| Tanglewilde-Thompson Place 600 | 2023 | 2023 |
| Terry Lane 354 | 2023 | 2023 |
| The Vineyard 696 | 2023 | 2023 |
| Timberline Village 628 | 2023 | 2023 |
| Tolmie Estates 239 | 2023 | 2023 |
| Travis Jack 264 | 2023 | 2023 |
| Valley Meadows 240 | 2023 | 2023 |
| Walczak 620 | 2023 | 2023 |
| Webster Hill 610 | 2023 | 2023 |
| Whiskey Hollow 670 | 2023 | 2023 |
| Wilderness Glen 263 | 2023 | 2023 |